build(deps): [security] bump elliptic from 6.5.1 to 6.5.3

Bumps [elliptic](https://github.com/indutny/elliptic) from 6.5.1 to 6.5.3. **This update includes a security fix.**
- [Release notes](https://github.com/indutny/elliptic/releases)
- [Commits](https://github.com/indutny/elliptic/compare/v6.5.1...v6.5.3

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>